Niehime to Kemono no Ou
贄姫と獣の王 (Japanese); 祭品公主与兽之王(mandarin) (Chinese); Sacrifice Princess and King of Beasts (English); 산제물의 공주와 짐승의 왕(Korean); Princess of the Sacrifice and King of the Beast; Vua Quái Vật Và Nàng Công Chúa Hiến Tế (Vietnamese - Tiếng Việt - TV)
Niehime to Kemono no Ou manga summary: Saliphie, the 99th sacrifice to the terrifying demon king, learns two secrets about the king: The first, that he has been letting the sacrifices go in secret. The second, that half of his blood is that of a human. She gets to know the king's kindness and sorrow, and then it's announced that the king has taken Saliphie, who wishes to become a source of energy for the king, as his queen, and...?